The SYBA SI-PEX40110 is a PCIe x4 adapter for installing an M.2 M-key NVMe SSD in a desktop motherboard’s PCIe x4, x8, or x16 slot, suited to PC builders adding or reusing a compatible NVMe drive.
Recommended For
- Desktop owners with a spare PCIe x4, x8, or x16 slot who want to add an M-key PCIe NVMe SSD when their motherboard has no suitable M.2 socket.
- People reusing an M.2 NVMe drive in an older desktop for additional storage, provided the system has a compatible PCIe slot; user reports describe this kind of adapter working for storage on older boards.
- Small-form-factor desktop builders who need a low-profile bracket and want to mount an M.2 drive in one of the supported lengths, from 2230 to 22110.
Real-World Use Scenarios
- A desktop has an available PCIe slot but no M.2 socket, so the owner installs a compatible M-key NVMe SSD on the card and uses it as additional internal storage; the motherboard’s PCIe slot and system compatibility determine the usable performance.
- A PC is running low on space for games, media, or work files, so the owner adds an NVMe SSD through a spare PCIe slot instead of replacing an existing drive; the new SSD can serve as a separate storage volume.
- Someone reuses an NVMe SSD in an older desktop that lacks an M.2 slot; it can often work as a secondary data drive, but the computer may not be able to boot from it without compatible BIOS/UEFI support or a workaround.
- A builder wants to use the NVMe SSD as the Windows or Linux boot drive; this can work if the motherboard firmware supports booting from NVMe on a PCIe card, but the adapter itself does not add that boot support.
Spec Summary
| Attribute | Value |
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| Best For | Adding an M.2 M-Key NVMe PCIe SSD to a desktop motherboard’s PCIe x4, x8, or x16 slot |
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| PCIe Interface And Compatibility | PCIe 3.0 x4 host adapter; supports PCIe 1.0, 2.0, and 3.0 motherboards and PCIe x4, x8, or x16 slots |
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| Supported SSD Sizes | M.2 SSD lengths 2230, 2242, 2260, 2280, and 22110 |
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| Operating Systems And Drivers | Supports Windows 2000, XP, 2003, 2008, Vista, 7, 8, 8.1, and 10, Linux, and Mac OS; transparent to the OS and requires no adapter driver |
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| Bracket And Installation | Includes a low-profile bracket and movable M.2 standoff |
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| Package Contents | Adapter card, user manual, and two M.2 screws |
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| Physical And Package Details | Green card; package dimensions 4 × 14.4 × 17.4 cm and package weight 0.11 kg |
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| Model Identifiers | SYBA I/O CREST M.2 NGFF PCIe SSD to PCI Express 3.0 x4 Host Adapter Card, model SI-PEX40110 |
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